Barbara L. Williams

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Maple Glen, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Building enclosure assemblies
- Patent number 5,279,091
- Issue date Jan 18, 1994
- Mark F. Williams
- E04 - BUILDING
Information Patent Grant
Building enclosure assemblies
- Patent number 4,897,976
- Issue date Feb 6, 1990
- Mark F. Williams
- E04 - BUILDING
Information Patent Grant
Building enclosure assemblies
- Patent number 4,833,849
- Issue date May 30, 1989
- Mark F. Williams
- E04 - BUILDING